Industrial chemicals · Taylor, TXCertificate of Analysis
Sample Certificate of Analysis
100% Propylene Glycol Inhibited
Laboratory · 100%
Sample COA. Contact Alliance Chemical with your lot number to request a lot-specific COA.
Last reviewed 2026-06-17 by Andre Taki, DOT Hazmat Specialist.
COA · Answer summary
Sample specification reference for 100% Propylene Glycol Inhibited. Source-record results are reference values, not measurements for your lot.
- Grade
- Laboratory
Specifications
| Parameter | Specification | Source reference result | Test Method |
|---|---|---|---|
| Reserve alkalinity | 9.0 Min ml | 11.5 | ASTM D1121 |
| pH of solution (50% glycol) | 9.5–10.5 | 10.0 | — |
| Propylene Glycol | 95.6 Min WT% | 100.0 WT% | DOWM 101679 |
| Specific gravity @ 25/25C | 1.046 — 1.056 | 1.051 | ASTM D4052 |
| Water (Karl Fischer) | 3.5 % max | 1.0 % | ASTM E1064 / Karl Fischer coulometric |
| Boiling point (undiluted concentrate) @ 760 mmHg | 310 °F (154 °C) | 310 °F (154 °C) | ASTM D1120 |
| Chloride (Cl) | ≤ 25 ppm | 0.6 ppm | ASTM D3634 |
| Foaming tendency | Volume ≤ 150 mL; break time ≤ 5 s | Passes test | ASTM D1881 |
| Composition (% by weight) | Propylene Glycol 96 / Performance Additives 4 | Passes test | Formulation |
| Freezing point (undiluted concentrate) | below -50 °C (-60 °F) | Passes test | ASTM D1177 |
Specification limits and source-record results are reproduced from the current product reference used by the TDS. This sample is not an issued certificate and does not identify a tested lot. Contact Alliance Chemical with the product and lot number for lot-specific documentation.